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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[deliverable/linux.git] / include / linux / ieee80211.h
1 /*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <asm/byteorder.h>
21
22 /*
23 * DS bit usage
24 *
25 * TA = transmitter address
26 * RA = receiver address
27 * DA = destination address
28 * SA = source address
29 *
30 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
31 * -----------------------------------------------------------------
32 * 0 0 DA SA BSSID - IBSS/DLS
33 * 0 1 DA BSSID SA - AP -> STA
34 * 1 0 BSSID SA DA - AP <- STA
35 * 1 1 RA TA DA SA unspecified (WDS)
36 */
37
38 #define FCS_LEN 4
39
40 #define IEEE80211_FCTL_VERS 0x0003
41 #define IEEE80211_FCTL_FTYPE 0x000c
42 #define IEEE80211_FCTL_STYPE 0x00f0
43 #define IEEE80211_FCTL_TODS 0x0100
44 #define IEEE80211_FCTL_FROMDS 0x0200
45 #define IEEE80211_FCTL_MOREFRAGS 0x0400
46 #define IEEE80211_FCTL_RETRY 0x0800
47 #define IEEE80211_FCTL_PM 0x1000
48 #define IEEE80211_FCTL_MOREDATA 0x2000
49 #define IEEE80211_FCTL_PROTECTED 0x4000
50 #define IEEE80211_FCTL_ORDER 0x8000
51 #define IEEE80211_FCTL_CTL_EXT 0x0f00
52
53 #define IEEE80211_SCTL_FRAG 0x000F
54 #define IEEE80211_SCTL_SEQ 0xFFF0
55
56 #define IEEE80211_FTYPE_MGMT 0x0000
57 #define IEEE80211_FTYPE_CTL 0x0004
58 #define IEEE80211_FTYPE_DATA 0x0008
59 #define IEEE80211_FTYPE_EXT 0x000c
60
61 /* management */
62 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
63 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
64 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
65 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
66 #define IEEE80211_STYPE_PROBE_REQ 0x0040
67 #define IEEE80211_STYPE_PROBE_RESP 0x0050
68 #define IEEE80211_STYPE_BEACON 0x0080
69 #define IEEE80211_STYPE_ATIM 0x0090
70 #define IEEE80211_STYPE_DISASSOC 0x00A0
71 #define IEEE80211_STYPE_AUTH 0x00B0
72 #define IEEE80211_STYPE_DEAUTH 0x00C0
73 #define IEEE80211_STYPE_ACTION 0x00D0
74
75 /* control */
76 #define IEEE80211_STYPE_CTL_EXT 0x0060
77 #define IEEE80211_STYPE_BACK_REQ 0x0080
78 #define IEEE80211_STYPE_BACK 0x0090
79 #define IEEE80211_STYPE_PSPOLL 0x00A0
80 #define IEEE80211_STYPE_RTS 0x00B0
81 #define IEEE80211_STYPE_CTS 0x00C0
82 #define IEEE80211_STYPE_ACK 0x00D0
83 #define IEEE80211_STYPE_CFEND 0x00E0
84 #define IEEE80211_STYPE_CFENDACK 0x00F0
85
86 /* data */
87 #define IEEE80211_STYPE_DATA 0x0000
88 #define IEEE80211_STYPE_DATA_CFACK 0x0010
89 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
90 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
91 #define IEEE80211_STYPE_NULLFUNC 0x0040
92 #define IEEE80211_STYPE_CFACK 0x0050
93 #define IEEE80211_STYPE_CFPOLL 0x0060
94 #define IEEE80211_STYPE_CFACKPOLL 0x0070
95 #define IEEE80211_STYPE_QOS_DATA 0x0080
96 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
97 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
98 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
99 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
100 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
101 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
102 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
103
104 /* extension, added by 802.11ad */
105 #define IEEE80211_STYPE_DMG_BEACON 0x0000
106
107 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
108 #define IEEE80211_CTL_EXT_POLL 0x2000
109 #define IEEE80211_CTL_EXT_SPR 0x3000
110 #define IEEE80211_CTL_EXT_GRANT 0x4000
111 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
112 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
113 #define IEEE80211_CTL_EXT_SSW 0x8000
114 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
115 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
116
117
118 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
119 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
120 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
121
122 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
123 {
124 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
125 }
126
127 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
128 {
129 return (sn1 + sn2) & IEEE80211_SN_MASK;
130 }
131
132 static inline u16 ieee80211_sn_inc(u16 sn)
133 {
134 return ieee80211_sn_add(sn, 1);
135 }
136
137 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
138 {
139 return (sn1 - sn2) & IEEE80211_SN_MASK;
140 }
141
142 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
143 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
144
145 /* miscellaneous IEEE 802.11 constants */
146 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
147 #define IEEE80211_MAX_RTS_THRESHOLD 2353
148 #define IEEE80211_MAX_AID 2007
149 #define IEEE80211_MAX_TIM_LEN 251
150 #define IEEE80211_MAX_MESH_PEERINGS 63
151 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
152 6.2.1.1.2.
153
154 802.11e clarifies the figure in section 7.1.2. The frame body is
155 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
156 #define IEEE80211_MAX_DATA_LEN 2304
157 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
158 * to 7920 bytes, see 8.2.3 General frame format
159 */
160 #define IEEE80211_MAX_DATA_LEN_DMG 7920
161 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
162 #define IEEE80211_MAX_FRAME_LEN 2352
163
164 #define IEEE80211_MAX_SSID_LEN 32
165
166 #define IEEE80211_MAX_MESH_ID_LEN 32
167
168 #define IEEE80211_NUM_TIDS 16
169
170 #define IEEE80211_QOS_CTL_LEN 2
171 /* 1d tag mask */
172 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
173 /* TID mask */
174 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
175 /* EOSP */
176 #define IEEE80211_QOS_CTL_EOSP 0x0010
177 /* ACK policy */
178 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
179 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
180 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
181 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
182 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
183 /* A-MSDU 802.11n */
184 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
185 /* Mesh Control 802.11s */
186 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
187
188 /* Mesh Power Save Level */
189 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
190 /* Mesh Receiver Service Period Initiated */
191 #define IEEE80211_QOS_CTL_RSPI 0x0400
192
193 /* U-APSD queue for WMM IEs sent by AP */
194 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
195 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
196
197 /* U-APSD queues for WMM IEs sent by STA */
198 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
199 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
200 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
201 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
202 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
203
204 /* U-APSD max SP length for WMM IEs sent by STA */
205 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
206 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
207 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
208 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
209 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
210 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
211
212 #define IEEE80211_HT_CTL_LEN 4
213
214 struct ieee80211_hdr {
215 __le16 frame_control;
216 __le16 duration_id;
217 u8 addr1[ETH_ALEN];
218 u8 addr2[ETH_ALEN];
219 u8 addr3[ETH_ALEN];
220 __le16 seq_ctrl;
221 u8 addr4[ETH_ALEN];
222 } __packed __aligned(2);
223
224 struct ieee80211_hdr_3addr {
225 __le16 frame_control;
226 __le16 duration_id;
227 u8 addr1[ETH_ALEN];
228 u8 addr2[ETH_ALEN];
229 u8 addr3[ETH_ALEN];
230 __le16 seq_ctrl;
231 } __packed __aligned(2);
232
233 struct ieee80211_qos_hdr {
234 __le16 frame_control;
235 __le16 duration_id;
236 u8 addr1[ETH_ALEN];
237 u8 addr2[ETH_ALEN];
238 u8 addr3[ETH_ALEN];
239 __le16 seq_ctrl;
240 __le16 qos_ctrl;
241 } __packed __aligned(2);
242
243 /**
244 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
245 * @fc: frame control bytes in little-endian byteorder
246 */
247 static inline int ieee80211_has_tods(__le16 fc)
248 {
249 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
250 }
251
252 /**
253 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
254 * @fc: frame control bytes in little-endian byteorder
255 */
256 static inline int ieee80211_has_fromds(__le16 fc)
257 {
258 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
259 }
260
261 /**
262 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
263 * @fc: frame control bytes in little-endian byteorder
264 */
265 static inline int ieee80211_has_a4(__le16 fc)
266 {
267 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
268 return (fc & tmp) == tmp;
269 }
270
271 /**
272 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
273 * @fc: frame control bytes in little-endian byteorder
274 */
275 static inline int ieee80211_has_morefrags(__le16 fc)
276 {
277 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
278 }
279
280 /**
281 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
282 * @fc: frame control bytes in little-endian byteorder
283 */
284 static inline int ieee80211_has_retry(__le16 fc)
285 {
286 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
287 }
288
289 /**
290 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
291 * @fc: frame control bytes in little-endian byteorder
292 */
293 static inline int ieee80211_has_pm(__le16 fc)
294 {
295 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
296 }
297
298 /**
299 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
300 * @fc: frame control bytes in little-endian byteorder
301 */
302 static inline int ieee80211_has_moredata(__le16 fc)
303 {
304 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
305 }
306
307 /**
308 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
309 * @fc: frame control bytes in little-endian byteorder
310 */
311 static inline int ieee80211_has_protected(__le16 fc)
312 {
313 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
314 }
315
316 /**
317 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
318 * @fc: frame control bytes in little-endian byteorder
319 */
320 static inline int ieee80211_has_order(__le16 fc)
321 {
322 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
323 }
324
325 /**
326 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
327 * @fc: frame control bytes in little-endian byteorder
328 */
329 static inline int ieee80211_is_mgmt(__le16 fc)
330 {
331 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
332 cpu_to_le16(IEEE80211_FTYPE_MGMT);
333 }
334
335 /**
336 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
337 * @fc: frame control bytes in little-endian byteorder
338 */
339 static inline int ieee80211_is_ctl(__le16 fc)
340 {
341 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
342 cpu_to_le16(IEEE80211_FTYPE_CTL);
343 }
344
345 /**
346 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
347 * @fc: frame control bytes in little-endian byteorder
348 */
349 static inline int ieee80211_is_data(__le16 fc)
350 {
351 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
352 cpu_to_le16(IEEE80211_FTYPE_DATA);
353 }
354
355 /**
356 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
357 * @fc: frame control bytes in little-endian byteorder
358 */
359 static inline int ieee80211_is_data_qos(__le16 fc)
360 {
361 /*
362 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
363 * to check the one bit
364 */
365 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
366 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
367 }
368
369 /**
370 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
371 * @fc: frame control bytes in little-endian byteorder
372 */
373 static inline int ieee80211_is_data_present(__le16 fc)
374 {
375 /*
376 * mask with 0x40 and test that that bit is clear to only return true
377 * for the data-containing substypes.
378 */
379 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
380 cpu_to_le16(IEEE80211_FTYPE_DATA);
381 }
382
383 /**
384 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
385 * @fc: frame control bytes in little-endian byteorder
386 */
387 static inline int ieee80211_is_assoc_req(__le16 fc)
388 {
389 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
390 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
391 }
392
393 /**
394 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
395 * @fc: frame control bytes in little-endian byteorder
396 */
397 static inline int ieee80211_is_assoc_resp(__le16 fc)
398 {
399 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
400 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
401 }
402
403 /**
404 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
405 * @fc: frame control bytes in little-endian byteorder
406 */
407 static inline int ieee80211_is_reassoc_req(__le16 fc)
408 {
409 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
410 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
411 }
412
413 /**
414 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
415 * @fc: frame control bytes in little-endian byteorder
416 */
417 static inline int ieee80211_is_reassoc_resp(__le16 fc)
418 {
419 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
420 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
421 }
422
423 /**
424 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
425 * @fc: frame control bytes in little-endian byteorder
426 */
427 static inline int ieee80211_is_probe_req(__le16 fc)
428 {
429 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
430 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
431 }
432
433 /**
434 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
435 * @fc: frame control bytes in little-endian byteorder
436 */
437 static inline int ieee80211_is_probe_resp(__le16 fc)
438 {
439 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
440 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
441 }
442
443 /**
444 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
445 * @fc: frame control bytes in little-endian byteorder
446 */
447 static inline int ieee80211_is_beacon(__le16 fc)
448 {
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
451 }
452
453 /**
454 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
455 * @fc: frame control bytes in little-endian byteorder
456 */
457 static inline int ieee80211_is_atim(__le16 fc)
458 {
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
461 }
462
463 /**
464 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
465 * @fc: frame control bytes in little-endian byteorder
466 */
467 static inline int ieee80211_is_disassoc(__le16 fc)
468 {
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
471 }
472
473 /**
474 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
475 * @fc: frame control bytes in little-endian byteorder
476 */
477 static inline int ieee80211_is_auth(__le16 fc)
478 {
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
481 }
482
483 /**
484 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
485 * @fc: frame control bytes in little-endian byteorder
486 */
487 static inline int ieee80211_is_deauth(__le16 fc)
488 {
489 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
490 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
491 }
492
493 /**
494 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
495 * @fc: frame control bytes in little-endian byteorder
496 */
497 static inline int ieee80211_is_action(__le16 fc)
498 {
499 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
500 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
501 }
502
503 /**
504 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
505 * @fc: frame control bytes in little-endian byteorder
506 */
507 static inline int ieee80211_is_back_req(__le16 fc)
508 {
509 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
510 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
511 }
512
513 /**
514 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
515 * @fc: frame control bytes in little-endian byteorder
516 */
517 static inline int ieee80211_is_back(__le16 fc)
518 {
519 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
520 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
521 }
522
523 /**
524 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
525 * @fc: frame control bytes in little-endian byteorder
526 */
527 static inline int ieee80211_is_pspoll(__le16 fc)
528 {
529 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
530 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
531 }
532
533 /**
534 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
535 * @fc: frame control bytes in little-endian byteorder
536 */
537 static inline int ieee80211_is_rts(__le16 fc)
538 {
539 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
540 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
541 }
542
543 /**
544 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
545 * @fc: frame control bytes in little-endian byteorder
546 */
547 static inline int ieee80211_is_cts(__le16 fc)
548 {
549 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
550 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
551 }
552
553 /**
554 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
555 * @fc: frame control bytes in little-endian byteorder
556 */
557 static inline int ieee80211_is_ack(__le16 fc)
558 {
559 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
560 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
561 }
562
563 /**
564 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
565 * @fc: frame control bytes in little-endian byteorder
566 */
567 static inline int ieee80211_is_cfend(__le16 fc)
568 {
569 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
570 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
571 }
572
573 /**
574 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
575 * @fc: frame control bytes in little-endian byteorder
576 */
577 static inline int ieee80211_is_cfendack(__le16 fc)
578 {
579 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
580 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
581 }
582
583 /**
584 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
585 * @fc: frame control bytes in little-endian byteorder
586 */
587 static inline int ieee80211_is_nullfunc(__le16 fc)
588 {
589 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
590 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
591 }
592
593 /**
594 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
595 * @fc: frame control bytes in little-endian byteorder
596 */
597 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
598 {
599 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
600 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
601 }
602
603 /**
604 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
605 * @fc: frame control field in little-endian byteorder
606 */
607 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
608 {
609 /* IEEE 802.11-2012, definition of "bufferable management frame";
610 * note that this ignores the IBSS special case. */
611 return ieee80211_is_mgmt(fc) &&
612 (ieee80211_is_action(fc) ||
613 ieee80211_is_disassoc(fc) ||
614 ieee80211_is_deauth(fc));
615 }
616
617 /**
618 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
619 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
620 */
621 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
622 {
623 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
624 }
625
626 struct ieee80211s_hdr {
627 u8 flags;
628 u8 ttl;
629 __le32 seqnum;
630 u8 eaddr1[ETH_ALEN];
631 u8 eaddr2[ETH_ALEN];
632 } __packed __aligned(2);
633
634 /* Mesh flags */
635 #define MESH_FLAGS_AE_A4 0x1
636 #define MESH_FLAGS_AE_A5_A6 0x2
637 #define MESH_FLAGS_AE 0x3
638 #define MESH_FLAGS_PS_DEEP 0x4
639
640 /**
641 * enum ieee80211_preq_flags - mesh PREQ element flags
642 *
643 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
644 */
645 enum ieee80211_preq_flags {
646 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
647 };
648
649 /**
650 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
651 *
652 * @IEEE80211_PREQ_TO_FLAG: target only subfield
653 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
654 */
655 enum ieee80211_preq_target_flags {
656 IEEE80211_PREQ_TO_FLAG = 1<<0,
657 IEEE80211_PREQ_USN_FLAG = 1<<2,
658 };
659
660 /**
661 * struct ieee80211_quiet_ie
662 *
663 * This structure refers to "Quiet information element"
664 */
665 struct ieee80211_quiet_ie {
666 u8 count;
667 u8 period;
668 __le16 duration;
669 __le16 offset;
670 } __packed;
671
672 /**
673 * struct ieee80211_msrment_ie
674 *
675 * This structure refers to "Measurement Request/Report information element"
676 */
677 struct ieee80211_msrment_ie {
678 u8 token;
679 u8 mode;
680 u8 type;
681 u8 request[0];
682 } __packed;
683
684 /**
685 * struct ieee80211_channel_sw_ie
686 *
687 * This structure refers to "Channel Switch Announcement information element"
688 */
689 struct ieee80211_channel_sw_ie {
690 u8 mode;
691 u8 new_ch_num;
692 u8 count;
693 } __packed;
694
695 /**
696 * struct ieee80211_ext_chansw_ie
697 *
698 * This structure represents the "Extended Channel Switch Announcement element"
699 */
700 struct ieee80211_ext_chansw_ie {
701 u8 mode;
702 u8 new_operating_class;
703 u8 new_ch_num;
704 u8 count;
705 } __packed;
706
707 /**
708 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
709 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
710 * values here
711 * This structure represents the "Secondary Channel Offset element"
712 */
713 struct ieee80211_sec_chan_offs_ie {
714 u8 sec_chan_offs;
715 } __packed;
716
717 /**
718 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
719 *
720 * This structure represents the "Mesh Channel Switch Paramters element"
721 */
722 struct ieee80211_mesh_chansw_params_ie {
723 u8 mesh_ttl;
724 u8 mesh_flags;
725 __le16 mesh_reason;
726 __le16 mesh_pre_value;
727 } __packed;
728
729 /**
730 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
731 */
732 struct ieee80211_wide_bw_chansw_ie {
733 u8 new_channel_width;
734 u8 new_center_freq_seg0, new_center_freq_seg1;
735 } __packed;
736
737 /**
738 * struct ieee80211_tim
739 *
740 * This structure refers to "Traffic Indication Map information element"
741 */
742 struct ieee80211_tim_ie {
743 u8 dtim_count;
744 u8 dtim_period;
745 u8 bitmap_ctrl;
746 /* variable size: 1 - 251 bytes */
747 u8 virtual_map[1];
748 } __packed;
749
750 /**
751 * struct ieee80211_meshconf_ie
752 *
753 * This structure refers to "Mesh Configuration information element"
754 */
755 struct ieee80211_meshconf_ie {
756 u8 meshconf_psel;
757 u8 meshconf_pmetric;
758 u8 meshconf_congest;
759 u8 meshconf_synch;
760 u8 meshconf_auth;
761 u8 meshconf_form;
762 u8 meshconf_cap;
763 } __packed;
764
765 /**
766 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
767 *
768 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
769 * additional mesh peerings with other mesh STAs
770 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
771 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
772 * is ongoing
773 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
774 * neighbors in deep sleep mode
775 */
776 enum mesh_config_capab_flags {
777 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
778 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
779 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
780 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
781 };
782
783 /**
784 * mesh channel switch parameters element's flag indicator
785 *
786 */
787 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
788 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
789 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
790
791 /**
792 * struct ieee80211_rann_ie
793 *
794 * This structure refers to "Root Announcement information element"
795 */
796 struct ieee80211_rann_ie {
797 u8 rann_flags;
798 u8 rann_hopcount;
799 u8 rann_ttl;
800 u8 rann_addr[ETH_ALEN];
801 __le32 rann_seq;
802 __le32 rann_interval;
803 __le32 rann_metric;
804 } __packed;
805
806 enum ieee80211_rann_flags {
807 RANN_FLAG_IS_GATE = 1 << 0,
808 };
809
810 enum ieee80211_ht_chanwidth_values {
811 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
812 IEEE80211_HT_CHANWIDTH_ANY = 1,
813 };
814
815 /**
816 * enum ieee80211_opmode_bits - VHT operating mode field bits
817 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
818 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
819 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
820 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
821 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
822 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
823 * (the NSS value is the value of this field + 1)
824 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
825 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
826 * using a beamforming steering matrix
827 */
828 enum ieee80211_vht_opmode_bits {
829 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
830 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
831 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
832 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
833 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
834 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
835 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
836 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
837 };
838
839 #define WLAN_SA_QUERY_TR_ID_LEN 2
840
841 struct ieee80211_mgmt {
842 __le16 frame_control;
843 __le16 duration;
844 u8 da[ETH_ALEN];
845 u8 sa[ETH_ALEN];
846 u8 bssid[ETH_ALEN];
847 __le16 seq_ctrl;
848 union {
849 struct {
850 __le16 auth_alg;
851 __le16 auth_transaction;
852 __le16 status_code;
853 /* possibly followed by Challenge text */
854 u8 variable[0];
855 } __packed auth;
856 struct {
857 __le16 reason_code;
858 } __packed deauth;
859 struct {
860 __le16 capab_info;
861 __le16 listen_interval;
862 /* followed by SSID and Supported rates */
863 u8 variable[0];
864 } __packed assoc_req;
865 struct {
866 __le16 capab_info;
867 __le16 status_code;
868 __le16 aid;
869 /* followed by Supported rates */
870 u8 variable[0];
871 } __packed assoc_resp, reassoc_resp;
872 struct {
873 __le16 capab_info;
874 __le16 listen_interval;
875 u8 current_ap[ETH_ALEN];
876 /* followed by SSID and Supported rates */
877 u8 variable[0];
878 } __packed reassoc_req;
879 struct {
880 __le16 reason_code;
881 } __packed disassoc;
882 struct {
883 __le64 timestamp;
884 __le16 beacon_int;
885 __le16 capab_info;
886 /* followed by some of SSID, Supported rates,
887 * FH Params, DS Params, CF Params, IBSS Params, TIM */
888 u8 variable[0];
889 } __packed beacon;
890 struct {
891 /* only variable items: SSID, Supported rates */
892 u8 variable[0];
893 } __packed probe_req;
894 struct {
895 __le64 timestamp;
896 __le16 beacon_int;
897 __le16 capab_info;
898 /* followed by some of SSID, Supported rates,
899 * FH Params, DS Params, CF Params, IBSS Params */
900 u8 variable[0];
901 } __packed probe_resp;
902 struct {
903 u8 category;
904 union {
905 struct {
906 u8 action_code;
907 u8 dialog_token;
908 u8 status_code;
909 u8 variable[0];
910 } __packed wme_action;
911 struct{
912 u8 action_code;
913 u8 variable[0];
914 } __packed chan_switch;
915 struct{
916 u8 action_code;
917 struct ieee80211_ext_chansw_ie data;
918 u8 variable[0];
919 } __packed ext_chan_switch;
920 struct{
921 u8 action_code;
922 u8 dialog_token;
923 u8 element_id;
924 u8 length;
925 struct ieee80211_msrment_ie msr_elem;
926 } __packed measurement;
927 struct{
928 u8 action_code;
929 u8 dialog_token;
930 __le16 capab;
931 __le16 timeout;
932 __le16 start_seq_num;
933 } __packed addba_req;
934 struct{
935 u8 action_code;
936 u8 dialog_token;
937 __le16 status;
938 __le16 capab;
939 __le16 timeout;
940 } __packed addba_resp;
941 struct{
942 u8 action_code;
943 __le16 params;
944 __le16 reason_code;
945 } __packed delba;
946 struct {
947 u8 action_code;
948 u8 variable[0];
949 } __packed self_prot;
950 struct{
951 u8 action_code;
952 u8 variable[0];
953 } __packed mesh_action;
954 struct {
955 u8 action;
956 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
957 } __packed sa_query;
958 struct {
959 u8 action;
960 u8 smps_control;
961 } __packed ht_smps;
962 struct {
963 u8 action_code;
964 u8 chanwidth;
965 } __packed ht_notify_cw;
966 struct {
967 u8 action_code;
968 u8 dialog_token;
969 __le16 capability;
970 u8 variable[0];
971 } __packed tdls_discover_resp;
972 struct {
973 u8 action_code;
974 u8 operating_mode;
975 } __packed vht_opmode_notif;
976 } u;
977 } __packed action;
978 } u;
979 } __packed __aligned(2);
980
981 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
982 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
983
984 /* mgmt header + 1 byte category code */
985 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
986
987
988 /* Management MIC information element (IEEE 802.11w) */
989 struct ieee80211_mmie {
990 u8 element_id;
991 u8 length;
992 __le16 key_id;
993 u8 sequence_number[6];
994 u8 mic[8];
995 } __packed;
996
997 struct ieee80211_vendor_ie {
998 u8 element_id;
999 u8 len;
1000 u8 oui[3];
1001 u8 oui_type;
1002 } __packed;
1003
1004 struct ieee80211_wmm_ac_param {
1005 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1006 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1007 __le16 txop_limit;
1008 } __packed;
1009
1010 struct ieee80211_wmm_param_ie {
1011 u8 element_id; /* Element ID: 221 (0xdd); */
1012 u8 len; /* Length: 24 */
1013 /* required fields for WMM version 1 */
1014 u8 oui[3]; /* 00:50:f2 */
1015 u8 oui_type; /* 2 */
1016 u8 oui_subtype; /* 1 */
1017 u8 version; /* 1 for WMM version 1.0 */
1018 u8 qos_info; /* AP/STA specific QoS info */
1019 u8 reserved; /* 0 */
1020 /* AC_BE, AC_BK, AC_VI, AC_VO */
1021 struct ieee80211_wmm_ac_param ac[4];
1022 } __packed;
1023
1024 /* Control frames */
1025 struct ieee80211_rts {
1026 __le16 frame_control;
1027 __le16 duration;
1028 u8 ra[ETH_ALEN];
1029 u8 ta[ETH_ALEN];
1030 } __packed __aligned(2);
1031
1032 struct ieee80211_cts {
1033 __le16 frame_control;
1034 __le16 duration;
1035 u8 ra[ETH_ALEN];
1036 } __packed __aligned(2);
1037
1038 struct ieee80211_pspoll {
1039 __le16 frame_control;
1040 __le16 aid;
1041 u8 bssid[ETH_ALEN];
1042 u8 ta[ETH_ALEN];
1043 } __packed __aligned(2);
1044
1045 /* TDLS */
1046
1047 /* Link-id information element */
1048 struct ieee80211_tdls_lnkie {
1049 u8 ie_type; /* Link Identifier IE */
1050 u8 ie_len;
1051 u8 bssid[ETH_ALEN];
1052 u8 init_sta[ETH_ALEN];
1053 u8 resp_sta[ETH_ALEN];
1054 } __packed;
1055
1056 struct ieee80211_tdls_data {
1057 u8 da[ETH_ALEN];
1058 u8 sa[ETH_ALEN];
1059 __be16 ether_type;
1060 u8 payload_type;
1061 u8 category;
1062 u8 action_code;
1063 union {
1064 struct {
1065 u8 dialog_token;
1066 __le16 capability;
1067 u8 variable[0];
1068 } __packed setup_req;
1069 struct {
1070 __le16 status_code;
1071 u8 dialog_token;
1072 __le16 capability;
1073 u8 variable[0];
1074 } __packed setup_resp;
1075 struct {
1076 __le16 status_code;
1077 u8 dialog_token;
1078 u8 variable[0];
1079 } __packed setup_cfm;
1080 struct {
1081 __le16 reason_code;
1082 u8 variable[0];
1083 } __packed teardown;
1084 struct {
1085 u8 dialog_token;
1086 u8 variable[0];
1087 } __packed discover_req;
1088 } u;
1089 } __packed;
1090
1091 /*
1092 * Peer-to-Peer IE attribute related definitions.
1093 */
1094 /**
1095 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1096 */
1097 enum ieee80211_p2p_attr_id {
1098 IEEE80211_P2P_ATTR_STATUS = 0,
1099 IEEE80211_P2P_ATTR_MINOR_REASON,
1100 IEEE80211_P2P_ATTR_CAPABILITY,
1101 IEEE80211_P2P_ATTR_DEVICE_ID,
1102 IEEE80211_P2P_ATTR_GO_INTENT,
1103 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1104 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1105 IEEE80211_P2P_ATTR_GROUP_BSSID,
1106 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1107 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1108 IEEE80211_P2P_ATTR_MANAGABILITY,
1109 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1110 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1111 IEEE80211_P2P_ATTR_DEVICE_INFO,
1112 IEEE80211_P2P_ATTR_GROUP_INFO,
1113 IEEE80211_P2P_ATTR_GROUP_ID,
1114 IEEE80211_P2P_ATTR_INTERFACE,
1115 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1116 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1117 /* 19 - 220: Reserved */
1118 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1119
1120 IEEE80211_P2P_ATTR_MAX
1121 };
1122
1123 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1124 /* Typical max value used here */
1125 #define IEEE80211_P2P_NOA_DESC_MAX 4
1126
1127 struct ieee80211_p2p_noa_desc {
1128 u8 count;
1129 __le32 duration;
1130 __le32 interval;
1131 __le32 start_time;
1132 } __packed;
1133
1134 struct ieee80211_p2p_noa_attr {
1135 u8 index;
1136 u8 oppps_ctwindow;
1137 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1138 } __packed;
1139
1140 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1141 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1142
1143 /**
1144 * struct ieee80211_bar - HT Block Ack Request
1145 *
1146 * This structure refers to "HT BlockAckReq" as
1147 * described in 802.11n draft section 7.2.1.7.1
1148 */
1149 struct ieee80211_bar {
1150 __le16 frame_control;
1151 __le16 duration;
1152 __u8 ra[ETH_ALEN];
1153 __u8 ta[ETH_ALEN];
1154 __le16 control;
1155 __le16 start_seq_num;
1156 } __packed;
1157
1158 /* 802.11 BAR control masks */
1159 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1160 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1161 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1162 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1163 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1164
1165 #define IEEE80211_HT_MCS_MASK_LEN 10
1166
1167 /**
1168 * struct ieee80211_mcs_info - MCS information
1169 * @rx_mask: RX mask
1170 * @rx_highest: highest supported RX rate. If set represents
1171 * the highest supported RX data rate in units of 1 Mbps.
1172 * If this field is 0 this value should not be used to
1173 * consider the highest RX data rate supported.
1174 * @tx_params: TX parameters
1175 */
1176 struct ieee80211_mcs_info {
1177 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1178 __le16 rx_highest;
1179 u8 tx_params;
1180 u8 reserved[3];
1181 } __packed;
1182
1183 /* 802.11n HT capability MSC set */
1184 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1185 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1186 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1187 /* value 0 == 1 stream etc */
1188 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1189 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1190 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1191 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1192
1193 /*
1194 * 802.11n D5.0 20.3.5 / 20.6 says:
1195 * - indices 0 to 7 and 32 are single spatial stream
1196 * - 8 to 31 are multiple spatial streams using equal modulation
1197 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1198 * - remainder are multiple spatial streams using unequal modulation
1199 */
1200 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1201 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1202 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1203
1204 /**
1205 * struct ieee80211_ht_cap - HT capabilities
1206 *
1207 * This structure is the "HT capabilities element" as
1208 * described in 802.11n D5.0 7.3.2.57
1209 */
1210 struct ieee80211_ht_cap {
1211 __le16 cap_info;
1212 u8 ampdu_params_info;
1213
1214 /* 16 bytes MCS information */
1215 struct ieee80211_mcs_info mcs;
1216
1217 __le16 extended_ht_cap_info;
1218 __le32 tx_BF_cap_info;
1219 u8 antenna_selection_info;
1220 } __packed;
1221
1222 /* 802.11n HT capabilities masks (for cap_info) */
1223 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1224 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1225 #define IEEE80211_HT_CAP_SM_PS 0x000C
1226 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1227 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1228 #define IEEE80211_HT_CAP_SGI_20 0x0020
1229 #define IEEE80211_HT_CAP_SGI_40 0x0040
1230 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1231 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1232 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1233 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1234 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1235 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1236 #define IEEE80211_HT_CAP_RESERVED 0x2000
1237 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1238 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1239
1240 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1241 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1242 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1243 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1244 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1245 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1246 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1247 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1248
1249 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1250 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1251 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1252 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1253
1254 /*
1255 * Maximum length of AMPDU that the STA can receive.
1256 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1257 */
1258 enum ieee80211_max_ampdu_length_exp {
1259 IEEE80211_HT_MAX_AMPDU_8K = 0,
1260 IEEE80211_HT_MAX_AMPDU_16K = 1,
1261 IEEE80211_HT_MAX_AMPDU_32K = 2,
1262 IEEE80211_HT_MAX_AMPDU_64K = 3
1263 };
1264
1265 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1266
1267 /* Minimum MPDU start spacing */
1268 enum ieee80211_min_mpdu_spacing {
1269 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1270 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1271 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1272 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1273 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1274 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1275 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1276 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1277 };
1278
1279 /**
1280 * struct ieee80211_ht_operation - HT operation IE
1281 *
1282 * This structure is the "HT operation element" as
1283 * described in 802.11n-2009 7.3.2.57
1284 */
1285 struct ieee80211_ht_operation {
1286 u8 primary_chan;
1287 u8 ht_param;
1288 __le16 operation_mode;
1289 __le16 stbc_param;
1290 u8 basic_set[16];
1291 } __packed;
1292
1293 /* for ht_param */
1294 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1295 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1296 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1297 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1298 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1299 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1300
1301 /* for operation_mode */
1302 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1303 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1304 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1305 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1306 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1307 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1308 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1309
1310 /* for stbc_param */
1311 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1312 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1313 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1314 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1315 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1316 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1317
1318
1319 /* block-ack parameters */
1320 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1321 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1322 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1323 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1324 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1325
1326 /*
1327 * A-PMDU buffer sizes
1328 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1329 */
1330 #define IEEE80211_MIN_AMPDU_BUF 0x8
1331 #define IEEE80211_MAX_AMPDU_BUF 0x40
1332
1333
1334 /* Spatial Multiplexing Power Save Modes (for capability) */
1335 #define WLAN_HT_CAP_SM_PS_STATIC 0
1336 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1337 #define WLAN_HT_CAP_SM_PS_INVALID 2
1338 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1339
1340 /* for SM power control field lower two bits */
1341 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1342 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1343 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1344
1345 /**
1346 * struct ieee80211_vht_mcs_info - VHT MCS information
1347 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1348 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1349 * STA can receive. Rate expressed in units of 1 Mbps.
1350 * If this field is 0 this value should not be used to
1351 * consider the highest RX data rate supported.
1352 * The top 3 bits of this field are reserved.
1353 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1354 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1355 * STA can transmit. Rate expressed in units of 1 Mbps.
1356 * If this field is 0 this value should not be used to
1357 * consider the highest TX data rate supported.
1358 * The top 3 bits of this field are reserved.
1359 */
1360 struct ieee80211_vht_mcs_info {
1361 __le16 rx_mcs_map;
1362 __le16 rx_highest;
1363 __le16 tx_mcs_map;
1364 __le16 tx_highest;
1365 } __packed;
1366
1367 /**
1368 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1369 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1370 * number of streams
1371 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1372 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1373 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1374 *
1375 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1376 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1377 * both split into 8 subfields by number of streams. These values indicate
1378 * which MCSes are supported for the number of streams the value appears
1379 * for.
1380 */
1381 enum ieee80211_vht_mcs_support {
1382 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1383 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1384 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1385 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1386 };
1387
1388 /**
1389 * struct ieee80211_vht_cap - VHT capabilities
1390 *
1391 * This structure is the "VHT capabilities element" as
1392 * described in 802.11ac D3.0 8.4.2.160
1393 * @vht_cap_info: VHT capability info
1394 * @supp_mcs: VHT MCS supported rates
1395 */
1396 struct ieee80211_vht_cap {
1397 __le32 vht_cap_info;
1398 struct ieee80211_vht_mcs_info supp_mcs;
1399 } __packed;
1400
1401 /**
1402 * enum ieee80211_vht_chanwidth - VHT channel width
1403 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1404 * determine the channel width (20 or 40 MHz)
1405 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1406 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1407 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1408 */
1409 enum ieee80211_vht_chanwidth {
1410 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1411 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1412 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1413 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1414 };
1415
1416 /**
1417 * struct ieee80211_vht_operation - VHT operation IE
1418 *
1419 * This structure is the "VHT operation element" as
1420 * described in 802.11ac D3.0 8.4.2.161
1421 * @chan_width: Operating channel width
1422 * @center_freq_seg1_idx: center freq segment 1 index
1423 * @center_freq_seg2_idx: center freq segment 2 index
1424 * @basic_mcs_set: VHT Basic MCS rate set
1425 */
1426 struct ieee80211_vht_operation {
1427 u8 chan_width;
1428 u8 center_freq_seg1_idx;
1429 u8 center_freq_seg2_idx;
1430 __le16 basic_mcs_set;
1431 } __packed;
1432
1433
1434 /* 802.11ac VHT Capabilities */
1435 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1436 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1437 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1438 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1439 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1440 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1441 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1442 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1443 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1444 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1445 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1446 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1447 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1448 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1449 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1450 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1451 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1452 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1453 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1454 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1455 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1456 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1457 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1458 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1459 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1460 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1461 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1462 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1463 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1464 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1465 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1466 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1467 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1468 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1469
1470 /* Authentication algorithms */
1471 #define WLAN_AUTH_OPEN 0
1472 #define WLAN_AUTH_SHARED_KEY 1
1473 #define WLAN_AUTH_FT 2
1474 #define WLAN_AUTH_SAE 3
1475 #define WLAN_AUTH_LEAP 128
1476
1477 #define WLAN_AUTH_CHALLENGE_LEN 128
1478
1479 #define WLAN_CAPABILITY_ESS (1<<0)
1480 #define WLAN_CAPABILITY_IBSS (1<<1)
1481
1482 /*
1483 * A mesh STA sets the ESS and IBSS capability bits to zero.
1484 * however, this holds true for p2p probe responses (in the p2p_find
1485 * phase) as well.
1486 */
1487 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1488 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1489
1490 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1491 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1492 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1493 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1494 #define WLAN_CAPABILITY_PBCC (1<<6)
1495 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1496
1497 /* 802.11h */
1498 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1499 #define WLAN_CAPABILITY_QOS (1<<9)
1500 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1501 #define WLAN_CAPABILITY_APSD (1<<11)
1502 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1503 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1504 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1505 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1506
1507 /* DMG (60gHz) 802.11ad */
1508 /* type - bits 0..1 */
1509 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1510 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1511 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1512 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1513
1514 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1515 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1516 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1517 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1518
1519 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1520 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1521
1522 /* measurement */
1523 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1524 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1525 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1526
1527 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1528 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1529 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1530
1531 /* 802.11g ERP information element */
1532 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1533 #define WLAN_ERP_USE_PROTECTION (1<<1)
1534 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1535
1536 /* WLAN_ERP_BARKER_PREAMBLE values */
1537 enum {
1538 WLAN_ERP_PREAMBLE_SHORT = 0,
1539 WLAN_ERP_PREAMBLE_LONG = 1,
1540 };
1541
1542 /* Band ID, 802.11ad #8.4.1.45 */
1543 enum {
1544 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1545 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1546 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1547 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1548 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1549 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1550 };
1551
1552 /* Status codes */
1553 enum ieee80211_statuscode {
1554 WLAN_STATUS_SUCCESS = 0,
1555 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1556 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1557 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1558 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1559 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1560 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1561 WLAN_STATUS_CHALLENGE_FAIL = 15,
1562 WLAN_STATUS_AUTH_TIMEOUT = 16,
1563 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1564 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1565 /* 802.11b */
1566 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1567 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1568 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1569 /* 802.11h */
1570 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1571 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1572 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1573 /* 802.11g */
1574 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1575 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1576 /* 802.11w */
1577 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1578 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1579 /* 802.11i */
1580 WLAN_STATUS_INVALID_IE = 40,
1581 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1582 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1583 WLAN_STATUS_INVALID_AKMP = 43,
1584 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1585 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1586 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1587 /* 802.11e */
1588 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1589 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1590 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1591 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1592 WLAN_STATUS_REQUEST_DECLINED = 37,
1593 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1594 WLAN_STATUS_CHANGE_TSPEC = 39,
1595 WLAN_STATUS_WAIT_TS_DELAY = 47,
1596 WLAN_STATUS_NO_DIRECT_LINK = 48,
1597 WLAN_STATUS_STA_NOT_PRESENT = 49,
1598 WLAN_STATUS_STA_NOT_QSTA = 50,
1599 /* 802.11s */
1600 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1601 WLAN_STATUS_FCG_NOT_SUPP = 78,
1602 WLAN_STATUS_STA_NO_TBTT = 78,
1603 /* 802.11ad */
1604 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1605 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1606 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1607 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1608 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1609 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1610 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1611 WLAN_STATUS_REJECT_DSE_BAND = 96,
1612 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1613 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1614 };
1615
1616
1617 /* Reason codes */
1618 enum ieee80211_reasoncode {
1619 WLAN_REASON_UNSPECIFIED = 1,
1620 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1621 WLAN_REASON_DEAUTH_LEAVING = 3,
1622 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1623 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1624 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1625 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1626 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1627 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1628 /* 802.11h */
1629 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1630 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1631 /* 802.11i */
1632 WLAN_REASON_INVALID_IE = 13,
1633 WLAN_REASON_MIC_FAILURE = 14,
1634 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1635 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1636 WLAN_REASON_IE_DIFFERENT = 17,
1637 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1638 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1639 WLAN_REASON_INVALID_AKMP = 20,
1640 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1641 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1642 WLAN_REASON_IEEE8021X_FAILED = 23,
1643 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1644 /* TDLS (802.11z) */
1645 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1646 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1647 /* 802.11e */
1648 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1649 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1650 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1651 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1652 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1653 WLAN_REASON_QSTA_NOT_USE = 37,
1654 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1655 WLAN_REASON_QSTA_TIMEOUT = 39,
1656 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1657 /* 802.11s */
1658 WLAN_REASON_MESH_PEER_CANCELED = 52,
1659 WLAN_REASON_MESH_MAX_PEERS = 53,
1660 WLAN_REASON_MESH_CONFIG = 54,
1661 WLAN_REASON_MESH_CLOSE = 55,
1662 WLAN_REASON_MESH_MAX_RETRIES = 56,
1663 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1664 WLAN_REASON_MESH_INVALID_GTK = 58,
1665 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1666 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1667 WLAN_REASON_MESH_PATH_ERROR = 61,
1668 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1669 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1670 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1671 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1672 WLAN_REASON_MESH_CHAN = 66,
1673 };
1674
1675
1676 /* Information Element IDs */
1677 enum ieee80211_eid {
1678 WLAN_EID_SSID = 0,
1679 WLAN_EID_SUPP_RATES = 1,
1680 WLAN_EID_FH_PARAMS = 2, /* reserved now */
1681 WLAN_EID_DS_PARAMS = 3,
1682 WLAN_EID_CF_PARAMS = 4,
1683 WLAN_EID_TIM = 5,
1684 WLAN_EID_IBSS_PARAMS = 6,
1685 WLAN_EID_COUNTRY = 7,
1686 WLAN_EID_HP_PARAMS = 8,
1687 WLAN_EID_HP_TABLE = 9,
1688 WLAN_EID_REQUEST = 10,
1689 WLAN_EID_QBSS_LOAD = 11,
1690 WLAN_EID_EDCA_PARAM_SET = 12,
1691 WLAN_EID_TSPEC = 13,
1692 WLAN_EID_TCLAS = 14,
1693 WLAN_EID_SCHEDULE = 15,
1694 WLAN_EID_CHALLENGE = 16,
1695 /* 17-31 reserved for challenge text extension */
1696 WLAN_EID_PWR_CONSTRAINT = 32,
1697 WLAN_EID_PWR_CAPABILITY = 33,
1698 WLAN_EID_TPC_REQUEST = 34,
1699 WLAN_EID_TPC_REPORT = 35,
1700 WLAN_EID_SUPPORTED_CHANNELS = 36,
1701 WLAN_EID_CHANNEL_SWITCH = 37,
1702 WLAN_EID_MEASURE_REQUEST = 38,
1703 WLAN_EID_MEASURE_REPORT = 39,
1704 WLAN_EID_QUIET = 40,
1705 WLAN_EID_IBSS_DFS = 41,
1706 WLAN_EID_ERP_INFO = 42,
1707 WLAN_EID_TS_DELAY = 43,
1708 WLAN_EID_TCLAS_PROCESSING = 44,
1709 WLAN_EID_HT_CAPABILITY = 45,
1710 WLAN_EID_QOS_CAPA = 46,
1711 /* 47 reserved for Broadcom */
1712 WLAN_EID_RSN = 48,
1713 WLAN_EID_802_15_COEX = 49,
1714 WLAN_EID_EXT_SUPP_RATES = 50,
1715 WLAN_EID_AP_CHAN_REPORT = 51,
1716 WLAN_EID_NEIGHBOR_REPORT = 52,
1717 WLAN_EID_RCPI = 53,
1718 WLAN_EID_MOBILITY_DOMAIN = 54,
1719 WLAN_EID_FAST_BSS_TRANSITION = 55,
1720 WLAN_EID_TIMEOUT_INTERVAL = 56,
1721 WLAN_EID_RIC_DATA = 57,
1722 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1723 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1724 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1725 WLAN_EID_HT_OPERATION = 61,
1726 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1727 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1728 WLAN_EID_ANTENNA_INFO = 64,
1729 WLAN_EID_RSNI = 65,
1730 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1731 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1732 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1733 WLAN_EID_TIME_ADVERTISEMENT = 69,
1734 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1735 WLAN_EID_MULTIPLE_BSSID = 71,
1736 WLAN_EID_BSS_COEX_2040 = 72,
1737 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1738 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1739 WLAN_EID_RIC_DESCRIPTOR = 75,
1740 WLAN_EID_MMIE = 76,
1741 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1742 WLAN_EID_EVENT_REQUEST = 78,
1743 WLAN_EID_EVENT_REPORT = 79,
1744 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1745 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1746 WLAN_EID_LOCATION_PARAMS = 82,
1747 WLAN_EID_NON_TX_BSSID_CAP = 83,
1748 WLAN_EID_SSID_LIST = 84,
1749 WLAN_EID_MULTI_BSSID_IDX = 85,
1750 WLAN_EID_FMS_DESCRIPTOR = 86,
1751 WLAN_EID_FMS_REQUEST = 87,
1752 WLAN_EID_FMS_RESPONSE = 88,
1753 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1754 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1755 WLAN_EID_TSF_REQUEST = 91,
1756 WLAN_EID_TSF_RESPOSNE = 92,
1757 WLAN_EID_WNM_SLEEP_MODE = 93,
1758 WLAN_EID_TIM_BCAST_REQ = 94,
1759 WLAN_EID_TIM_BCAST_RESP = 95,
1760 WLAN_EID_COLL_IF_REPORT = 96,
1761 WLAN_EID_CHANNEL_USAGE = 97,
1762 WLAN_EID_TIME_ZONE = 98,
1763 WLAN_EID_DMS_REQUEST = 99,
1764 WLAN_EID_DMS_RESPONSE = 100,
1765 WLAN_EID_LINK_ID = 101,
1766 WLAN_EID_WAKEUP_SCHEDUL = 102,
1767 /* 103 reserved */
1768 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1769 WLAN_EID_PTI_CONTROL = 105,
1770 WLAN_EID_PU_BUFFER_STATUS = 106,
1771 WLAN_EID_INTERWORKING = 107,
1772 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1773 WLAN_EID_EXPEDITED_BW_REQ = 109,
1774 WLAN_EID_QOS_MAP_SET = 110,
1775 WLAN_EID_ROAMING_CONSORTIUM = 111,
1776 WLAN_EID_EMERGENCY_ALERT = 112,
1777 WLAN_EID_MESH_CONFIG = 113,
1778 WLAN_EID_MESH_ID = 114,
1779 WLAN_EID_LINK_METRIC_REPORT = 115,
1780 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1781 WLAN_EID_PEER_MGMT = 117,
1782 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1783 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1784 WLAN_EID_BEACON_TIMING = 120,
1785 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1786 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1787 WLAN_EID_MCCAOP_ADVERT = 123,
1788 WLAN_EID_MCCAOP_TEARDOWN = 124,
1789 WLAN_EID_GANN = 125,
1790 WLAN_EID_RANN = 126,
1791 WLAN_EID_EXT_CAPABILITY = 127,
1792 /* 128, 129 reserved for Agere */
1793 WLAN_EID_PREQ = 130,
1794 WLAN_EID_PREP = 131,
1795 WLAN_EID_PERR = 132,
1796 /* 133-136 reserved for Cisco */
1797 WLAN_EID_PXU = 137,
1798 WLAN_EID_PXUC = 138,
1799 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1800 WLAN_EID_MIC = 140,
1801 WLAN_EID_DESTINATION_URI = 141,
1802 WLAN_EID_UAPSD_COEX = 142,
1803 WLAN_EID_WAKEUP_SCHEDULE = 143,
1804 WLAN_EID_EXT_SCHEDULE = 144,
1805 WLAN_EID_STA_AVAILABILITY = 145,
1806 WLAN_EID_DMG_TSPEC = 146,
1807 WLAN_EID_DMG_AT = 147,
1808 WLAN_EID_DMG_CAP = 148,
1809 /* 149-150 reserved for Cisco */
1810 WLAN_EID_DMG_OPERATION = 151,
1811 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1812 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1813 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1814 /* 155-156 reserved for Cisco */
1815 WLAN_EID_AWAKE_WINDOW = 157,
1816 WLAN_EID_MULTI_BAND = 158,
1817 WLAN_EID_ADDBA_EXT = 159,
1818 WLAN_EID_NEXT_PCP_LIST = 160,
1819 WLAN_EID_PCP_HANDOVER = 161,
1820 WLAN_EID_DMG_LINK_MARGIN = 162,
1821 WLAN_EID_SWITCHING_STREAM = 163,
1822 WLAN_EID_SESSION_TRANSITION = 164,
1823 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1824 WLAN_EID_CLUSTER_REPORT = 166,
1825 WLAN_EID_RELAY_CAP = 167,
1826 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1827 WLAN_EID_BEAM_LINK_MAINT = 169,
1828 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1829 WLAN_EID_U_PID = 171,
1830 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1831 /* 173 reserved for Symbol */
1832 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1833 WLAN_EID_QUIET_PERIOD_REQ = 175,
1834 /* 176 reserved for Symbol */
1835 WLAN_EID_QUIET_PERIOD_RESP = 177,
1836 /* 178-179 reserved for Symbol */
1837 /* 180 reserved for ISO/IEC 20011 */
1838 WLAN_EID_EPAC_POLICY = 182,
1839 WLAN_EID_CLISTER_TIME_OFF = 183,
1840 WLAN_EID_INTER_AC_PRIO = 184,
1841 WLAN_EID_SCS_DESCRIPTOR = 185,
1842 WLAN_EID_QLOAD_REPORT = 186,
1843 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1844 WLAN_EID_HL_STREAM_ID = 188,
1845 WLAN_EID_GCR_GROUP_ADDR = 189,
1846 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1847 WLAN_EID_VHT_CAPABILITY = 191,
1848 WLAN_EID_VHT_OPERATION = 192,
1849 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1850 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1851 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1852 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1853 WLAN_EID_AID = 197,
1854 WLAN_EID_QUIET_CHANNEL = 198,
1855 WLAN_EID_OPMODE_NOTIF = 199,
1856
1857 WLAN_EID_VENDOR_SPECIFIC = 221,
1858 WLAN_EID_QOS_PARAMETER = 222,
1859 };
1860
1861 /* Action category code */
1862 enum ieee80211_category {
1863 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1864 WLAN_CATEGORY_QOS = 1,
1865 WLAN_CATEGORY_DLS = 2,
1866 WLAN_CATEGORY_BACK = 3,
1867 WLAN_CATEGORY_PUBLIC = 4,
1868 WLAN_CATEGORY_HT = 7,
1869 WLAN_CATEGORY_SA_QUERY = 8,
1870 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1871 WLAN_CATEGORY_TDLS = 12,
1872 WLAN_CATEGORY_MESH_ACTION = 13,
1873 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1874 WLAN_CATEGORY_SELF_PROTECTED = 15,
1875 WLAN_CATEGORY_DMG = 16,
1876 WLAN_CATEGORY_WMM = 17,
1877 WLAN_CATEGORY_FST = 18,
1878 WLAN_CATEGORY_UNPROT_DMG = 20,
1879 WLAN_CATEGORY_VHT = 21,
1880 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1881 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1882 };
1883
1884 /* SPECTRUM_MGMT action code */
1885 enum ieee80211_spectrum_mgmt_actioncode {
1886 WLAN_ACTION_SPCT_MSR_REQ = 0,
1887 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1888 WLAN_ACTION_SPCT_TPC_REQ = 2,
1889 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1890 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1891 };
1892
1893 /* HT action codes */
1894 enum ieee80211_ht_actioncode {
1895 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1896 WLAN_HT_ACTION_SMPS = 1,
1897 WLAN_HT_ACTION_PSMP = 2,
1898 WLAN_HT_ACTION_PCO_PHASE = 3,
1899 WLAN_HT_ACTION_CSI = 4,
1900 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1901 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1902 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1903 };
1904
1905 /* VHT action codes */
1906 enum ieee80211_vht_actioncode {
1907 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1908 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1909 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1910 };
1911
1912 /* Self Protected Action codes */
1913 enum ieee80211_self_protected_actioncode {
1914 WLAN_SP_RESERVED = 0,
1915 WLAN_SP_MESH_PEERING_OPEN = 1,
1916 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1917 WLAN_SP_MESH_PEERING_CLOSE = 3,
1918 WLAN_SP_MGK_INFORM = 4,
1919 WLAN_SP_MGK_ACK = 5,
1920 };
1921
1922 /* Mesh action codes */
1923 enum ieee80211_mesh_actioncode {
1924 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1925 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1926 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1927 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1928 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1929 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1930 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1931 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1932 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1933 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1934 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1935 };
1936
1937 /* Security key length */
1938 enum ieee80211_key_len {
1939 WLAN_KEY_LEN_WEP40 = 5,
1940 WLAN_KEY_LEN_WEP104 = 13,
1941 WLAN_KEY_LEN_CCMP = 16,
1942 WLAN_KEY_LEN_TKIP = 32,
1943 WLAN_KEY_LEN_AES_CMAC = 16,
1944 WLAN_KEY_LEN_SMS4 = 32,
1945 };
1946
1947 #define IEEE80211_WEP_IV_LEN 4
1948 #define IEEE80211_WEP_ICV_LEN 4
1949 #define IEEE80211_CCMP_HDR_LEN 8
1950 #define IEEE80211_CCMP_MIC_LEN 8
1951 #define IEEE80211_CCMP_PN_LEN 6
1952 #define IEEE80211_TKIP_IV_LEN 8
1953 #define IEEE80211_TKIP_ICV_LEN 4
1954 #define IEEE80211_CMAC_PN_LEN 6
1955
1956 /* Public action codes */
1957 enum ieee80211_pub_actioncode {
1958 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1959 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1960 };
1961
1962 /* TDLS action codes */
1963 enum ieee80211_tdls_actioncode {
1964 WLAN_TDLS_SETUP_REQUEST = 0,
1965 WLAN_TDLS_SETUP_RESPONSE = 1,
1966 WLAN_TDLS_SETUP_CONFIRM = 2,
1967 WLAN_TDLS_TEARDOWN = 3,
1968 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1969 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1970 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1971 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1972 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1973 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1974 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1975 };
1976
1977 /* Interworking capabilities are set in 7th bit of 4th byte of the
1978 * @WLAN_EID_EXT_CAPABILITY information element
1979 */
1980 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
1981
1982 /*
1983 * TDLS capabililites to be enabled in the 5th byte of the
1984 * @WLAN_EID_EXT_CAPABILITY information element
1985 */
1986 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1987 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1988
1989 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1990 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
1991
1992 /* TDLS specific payload type in the LLC/SNAP header */
1993 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1994
1995 /**
1996 * enum - mesh synchronization method identifier
1997 *
1998 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1999 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2000 * that will be specified in a vendor specific information element
2001 */
2002 enum {
2003 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2004 IEEE80211_SYNC_METHOD_VENDOR = 255,
2005 };
2006
2007 /**
2008 * enum - mesh path selection protocol identifier
2009 *
2010 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2011 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2012 * be specified in a vendor specific information element
2013 */
2014 enum {
2015 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2016 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2017 };
2018
2019 /**
2020 * enum - mesh path selection metric identifier
2021 *
2022 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2023 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2024 * specified in a vendor specific information element
2025 */
2026 enum {
2027 IEEE80211_PATH_METRIC_AIRTIME = 1,
2028 IEEE80211_PATH_METRIC_VENDOR = 255,
2029 };
2030
2031 /**
2032 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2033 *
2034 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2035 *
2036 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2037 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2038 * this value
2039 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2040 * the proactive PREQ with proactive PREP subfield set to 0
2041 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2042 * supports the proactive PREQ with proactive PREP subfield set to 1
2043 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2044 * the proactive RANN
2045 */
2046 enum ieee80211_root_mode_identifier {
2047 IEEE80211_ROOTMODE_NO_ROOT = 0,
2048 IEEE80211_ROOTMODE_ROOT = 1,
2049 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2050 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2051 IEEE80211_PROACTIVE_RANN = 4,
2052 };
2053
2054 /*
2055 * IEEE 802.11-2007 7.3.2.9 Country information element
2056 *
2057 * Minimum length is 8 octets, ie len must be evenly
2058 * divisible by 2
2059 */
2060
2061 /* Although the spec says 8 I'm seeing 6 in practice */
2062 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2063
2064 /* The Country String field of the element shall be 3 octets in length */
2065 #define IEEE80211_COUNTRY_STRING_LEN 3
2066
2067 /*
2068 * For regulatory extension stuff see IEEE 802.11-2007
2069 * Annex I (page 1141) and Annex J (page 1147). Also
2070 * review 7.3.2.9.
2071 *
2072 * When dot11RegulatoryClassesRequired is true and the
2073 * first_channel/reg_extension_id is >= 201 then the IE
2074 * compromises of the 'ext' struct represented below:
2075 *
2076 * - Regulatory extension ID - when generating IE this just needs
2077 * to be monotonically increasing for each triplet passed in
2078 * the IE
2079 * - Regulatory class - index into set of rules
2080 * - Coverage class - index into air propagation time (Table 7-27),
2081 * in microseconds, you can compute the air propagation time from
2082 * the index by multiplying by 3, so index 10 yields a propagation
2083 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2084 * yet. A value of 0 inicates air propagation of <= 1 us.
2085 *
2086 * See also Table I.2 for Emission limit sets and table
2087 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2088 * a reg_class to an emission limit set and behavior limit set.
2089 */
2090 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2091
2092 /*
2093 * Channels numbers in the IE must be monotonically increasing
2094 * if dot11RegulatoryClassesRequired is not true.
2095 *
2096 * If dot11RegulatoryClassesRequired is true consecutive
2097 * subband triplets following a regulatory triplet shall
2098 * have monotonically increasing first_channel number fields.
2099 *
2100 * Channel numbers shall not overlap.
2101 *
2102 * Note that max_power is signed.
2103 */
2104 struct ieee80211_country_ie_triplet {
2105 union {
2106 struct {
2107 u8 first_channel;
2108 u8 num_channels;
2109 s8 max_power;
2110 } __packed chans;
2111 struct {
2112 u8 reg_extension_id;
2113 u8 reg_class;
2114 u8 coverage_class;
2115 } __packed ext;
2116 };
2117 } __packed;
2118
2119 enum ieee80211_timeout_interval_type {
2120 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2121 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2122 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2123 };
2124
2125 /**
2126 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2127 * @type: type, see &enum ieee80211_timeout_interval_type
2128 * @value: timeout interval value
2129 */
2130 struct ieee80211_timeout_interval_ie {
2131 u8 type;
2132 __le32 value;
2133 } __packed;
2134
2135 /* BACK action code */
2136 enum ieee80211_back_actioncode {
2137 WLAN_ACTION_ADDBA_REQ = 0,
2138 WLAN_ACTION_ADDBA_RESP = 1,
2139 WLAN_ACTION_DELBA = 2,
2140 };
2141
2142 /* BACK (block-ack) parties */
2143 enum ieee80211_back_parties {
2144 WLAN_BACK_RECIPIENT = 0,
2145 WLAN_BACK_INITIATOR = 1,
2146 };
2147
2148 /* SA Query action */
2149 enum ieee80211_sa_query_action {
2150 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2151 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2152 };
2153
2154
2155 /* cipher suite selectors */
2156 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2157 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2158 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2159 /* reserved: 0x000FAC03 */
2160 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2161 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2162 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2163 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2164
2165 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2166
2167 /* AKM suite selectors */
2168 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2169 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2170 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2171 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2172 #define WLAN_AKM_SUITE_TDLS 0x000FAC07
2173 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2174 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2175
2176 #define WLAN_MAX_KEY_LEN 32
2177
2178 #define WLAN_PMKID_LEN 16
2179
2180 #define WLAN_OUI_WFA 0x506f9a
2181 #define WLAN_OUI_TYPE_WFA_P2P 9
2182 #define WLAN_OUI_MICROSOFT 0x0050f2
2183 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2184 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2185 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2186
2187 /*
2188 * WMM/802.11e Tspec Element
2189 */
2190 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2191 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2192
2193 enum ieee80211_tspec_status_code {
2194 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2195 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2196 };
2197
2198 struct ieee80211_tspec_ie {
2199 u8 element_id;
2200 u8 len;
2201 u8 oui[3];
2202 u8 oui_type;
2203 u8 oui_subtype;
2204 u8 version;
2205 __le16 tsinfo;
2206 u8 tsinfo_resvd;
2207 __le16 nominal_msdu;
2208 __le16 max_msdu;
2209 __le32 min_service_int;
2210 __le32 max_service_int;
2211 __le32 inactivity_int;
2212 __le32 suspension_int;
2213 __le32 service_start_time;
2214 __le32 min_data_rate;
2215 __le32 mean_data_rate;
2216 __le32 peak_data_rate;
2217 __le32 max_burst_size;
2218 __le32 delay_bound;
2219 __le32 min_phy_rate;
2220 __le16 sba;
2221 __le16 medium_time;
2222 } __packed;
2223
2224 /**
2225 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2226 * @hdr: the frame
2227 *
2228 * The qos ctrl bytes come after the frame_control, duration, seq_num
2229 * and 3 or 4 addresses of length ETH_ALEN.
2230 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2231 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2232 */
2233 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2234 {
2235 if (ieee80211_has_a4(hdr->frame_control))
2236 return (u8 *)hdr + 30;
2237 else
2238 return (u8 *)hdr + 24;
2239 }
2240
2241 /**
2242 * ieee80211_get_SA - get pointer to SA
2243 * @hdr: the frame
2244 *
2245 * Given an 802.11 frame, this function returns the offset
2246 * to the source address (SA). It does not verify that the
2247 * header is long enough to contain the address, and the
2248 * header must be long enough to contain the frame control
2249 * field.
2250 */
2251 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2252 {
2253 if (ieee80211_has_a4(hdr->frame_control))
2254 return hdr->addr4;
2255 if (ieee80211_has_fromds(hdr->frame_control))
2256 return hdr->addr3;
2257 return hdr->addr2;
2258 }
2259
2260 /**
2261 * ieee80211_get_DA - get pointer to DA
2262 * @hdr: the frame
2263 *
2264 * Given an 802.11 frame, this function returns the offset
2265 * to the destination address (DA). It does not verify that
2266 * the header is long enough to contain the address, and the
2267 * header must be long enough to contain the frame control
2268 * field.
2269 */
2270 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2271 {
2272 if (ieee80211_has_tods(hdr->frame_control))
2273 return hdr->addr3;
2274 else
2275 return hdr->addr1;
2276 }
2277
2278 /**
2279 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2280 * @hdr: the frame (buffer must include at least the first octet of payload)
2281 */
2282 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2283 {
2284 if (ieee80211_is_disassoc(hdr->frame_control) ||
2285 ieee80211_is_deauth(hdr->frame_control))
2286 return true;
2287
2288 if (ieee80211_is_action(hdr->frame_control)) {
2289 u8 *category;
2290
2291 /*
2292 * Action frames, excluding Public Action frames, are Robust
2293 * Management Frames. However, if we are looking at a Protected
2294 * frame, skip the check since the data may be encrypted and
2295 * the frame has already been found to be a Robust Management
2296 * Frame (by the other end).
2297 */
2298 if (ieee80211_has_protected(hdr->frame_control))
2299 return true;
2300 category = ((u8 *) hdr) + 24;
2301 return *category != WLAN_CATEGORY_PUBLIC &&
2302 *category != WLAN_CATEGORY_HT &&
2303 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2304 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2305 }
2306
2307 return false;
2308 }
2309
2310 /**
2311 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2312 * @skb: the skb containing the frame, length will be checked
2313 */
2314 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2315 {
2316 if (skb->len < 25)
2317 return false;
2318 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2319 }
2320
2321 /**
2322 * ieee80211_is_public_action - check if frame is a public action frame
2323 * @hdr: the frame
2324 * @len: length of the frame
2325 */
2326 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2327 size_t len)
2328 {
2329 struct ieee80211_mgmt *mgmt = (void *)hdr;
2330
2331 if (len < IEEE80211_MIN_ACTION_SIZE)
2332 return false;
2333 if (!ieee80211_is_action(hdr->frame_control))
2334 return false;
2335 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2336 }
2337
2338 /**
2339 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2340 * @tu: the TUs
2341 */
2342 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2343 {
2344 return 1024 * tu;
2345 }
2346
2347 /**
2348 * ieee80211_check_tim - check if AID bit is set in TIM
2349 * @tim: the TIM IE
2350 * @tim_len: length of the TIM IE
2351 * @aid: the AID to look for
2352 */
2353 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2354 u8 tim_len, u16 aid)
2355 {
2356 u8 mask;
2357 u8 index, indexn1, indexn2;
2358
2359 if (unlikely(!tim || tim_len < sizeof(*tim)))
2360 return false;
2361
2362 aid &= 0x3fff;
2363 index = aid / 8;
2364 mask = 1 << (aid & 7);
2365
2366 indexn1 = tim->bitmap_ctrl & 0xfe;
2367 indexn2 = tim_len + indexn1 - 4;
2368
2369 if (index < indexn1 || index > indexn2)
2370 return false;
2371
2372 index -= indexn1;
2373
2374 return !!(tim->virtual_map[index] & mask);
2375 }
2376
2377 /* convert time units */
2378 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2379 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2380
2381 #endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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